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Finding the Fourth Proportional to 490,825.40, 735,806.10 and 332,540.60

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Solution

The fourth proportional to 490,825.40, 735,806.10 and 332,540.60 is: 498,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,825.40 : 735,806.10 = 332,540.60 : x
  2. Step 2: Convert to fraction form
    490,825.40/735,806.10 = 332,540.60/x
  3. Step 3: Cross multiply
    490,825.40x = 735,806.10 × 332,540.60
  4. Step 4: Simplify right side
    490,825.40x = 244,685,401,977.66
  5. Step 5: Solve for x
    x = 244,685,401,977.66/490,825.40
  6. Step 6: Final answer
    x = 498,518.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.